When discussing Iowa's water quality issues, the conversation often turns to the subject of wetlands. What are wetlands and why are they important to water quality? Wetlands are characterized by many attributes, including hydrology, water chemistry, soils, and surrounding topography. So the term "wetland" is flexible, and you may have referred to wetlands as a swamp, marsh, bog, pothole, bottomland, slough, fen, seep, wet meadow, or oxbow.
Iowa State University
Al-Kaisi, Mahdi, "Value of Iowa's wetlands" (2000). Integrated Crop Management News. 2112.
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